spread of indication
91radar — /ray dahr/, n. 1. Electronics. a device for determining the presence and location of an object by measuring the time for the echo of a radio wave to return from it and the direction from which it returns. 2. a means or sense of awareness or… …
92Spain — /spayn/, n. a kingdom in SW Europe. Including the Balearic and Canary islands, 39,244,195; 194,988 sq. mi. (505,019 sq. km). Cap.: Madrid. Spanish, España. * * * Spain Introduction Spain Background: Spain s powerful world empire of the 16th and… …
93agriculture, origins of — Introduction the active production of useful plants or animals in ecosystems that have been created by people. Agriculture has often been conceptualized narrowly, in terms of specific combinations of activities and organisms wet rice production… …
94art and architecture, Oceanic — ▪ visual arts Introduction the visual art (art) and architecture of native Oceania, including media such as sculpture, pottery, rock art, basketry, masks, painting, and personal decoration. In these cultures, art and architecture have often …
95plant disease — ▪ plant pathology Introduction an impairment of the normal state of a plant that interrupts or modifies its vital functions. All species of plants, wild and cultivated alike, are subject to disease. Although each species is… …
96Germanic peoples — The Germanic peoples are a historical group of Indo European speaking peoples, originating in Northern Europe and identified by their use of the Germanic languages which diversified out of Common Germanic in the course of the Pre Roman Iron Age.… …
97History of science — History of science …
98Concow, California — Concow   census designated place   Location in …
99Myxomatosis — For the Radiohead song, see Hail to the Thief. Not to be confused with Myxoma. European Rabbit in Shropshire, England, infected with myxomatosis, caused by the Myxoma virus Myxomatosis (sometimes shortened to myxi ) is a disease that affects… …
100Origin of the Romanians — History of Romania This article is part of a series Prehistory …
